Home / 196,290.80-270,882.62-111,409.28

Finding the Fourth Proportional to 196,290.80, 270,882.62 and 111,409.28

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Solution

The fourth proportional to 196,290.80, 270,882.62 and 111,409.28 is: 153,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,290.80 : 270,882.62 = 111,409.28 : x
  2. Step 2: Convert to fraction form
    196,290.80/270,882.62 = 111,409.28/x
  3. Step 3: Cross multiply
    196,290.80x = 270,882.62 × 111,409.28
  4. Step 4: Simplify right side
    196,290.80x = 30,178,837,658.71
  5. Step 5: Solve for x
    x = 30,178,837,658.71/196,290.80
  6. Step 6: Final answer
    x = 153,745.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.